Performance Data - Electra WNG 50 DCI Service Manual

5.

PERFORMANCE DATA

5.1 WNG 50 / DCI 50
5.1.1 Cooling Capacity (kW) - Run Mode
230[V] : Indoor Fan at High Speed.
OD COIL
ENTERING AIR DB
0
TEMPERATURE [ C]
-10 - 20
(protection range)
25
30
35
40
46
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OD – Outdoor
5.1.2 Capacity Correction Factors
SM WNGDCI 2-E.4 GB
PERFORMANCE DATA & PRESSURE CURVES
ID COIL ENTERING AIR DB/WB TEMPERATURE [
DATA 22/15
TC
SC
PI
TC 4.93
SC 4.10
PI 1.10
TC 4.67
SC 3.94
PI 1.26
TC 4.42
SC 3.78
PI 1.41
TC 4.17
SC 3.62
PI 1.56
TC 3.86
SC 3.43
PI 1.75
o
C)
o
C)
Cooling Capacity Ratio Vs. Outdoor Temperature
1.20
1.10
1.00
0.90
0.80
0.70
0.60
0.50
20 25 30
Outdoor DB Temperature [ºC]
CONTENTS
24/17 27/19 29/21
80 - 110 % of nominal
80 - 105 % of nominal
25 - 50 % of nominal
5.22 5.51
4.16 4.22
1.13 1.15
4.96 5.25
4.00 4.06
1.31
1.28
4.71
5.00
3.84 3.90
1.46
1.44
4.46
4.75
3.68 3.74
1.59 1.61
4.15 4.44
3.49 3.55
1.77 1.80
35 40
0 C]
32/23
5.80 6.09
4.28 4.34
1.18 1.20
5.54 5.83
4.12 4.18
1.33 1.36
5.29 5.58
3.96 4.02
1.48 1.51
5.04 5.53
3.80 3.86
1.64 1.66
4.73 5.02
3.61 3.67
1.82 1.85
45
5-1